Extruded and Precision Cut Male D-rings | #K4670NB104


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K4670NB104

Extruded and Precision Cut Male D-rings | #K4670NB104

Parker’s extruded D-rings are radial seals with flat inner diameters and machined outer diameters. The flat bases help prevent spiral failure which can be experienced in radial seal applications where twisting during installation can occur.


Technical Specifications

  • Polymer Family: Acrylonitrile-Butadiene Nitrile (NBR, XNBR)
  • Seal Material: NB104-75
  • Outside Diameter (inch): 19.505
  • Inside Diameter (inch): 18.955
  • Shape: D Shape
  • Application: Excellent Seal Stability in the Groove
  • Additional Options: 0 Back-Up Rings
  • Durometer: 75 Shore A
  • Color: Black
  • Maximum Operating Temperature: 250 °F
  • Minimum Operating Temperature: -30 °F
  • Thermal Application Type: Standard Temperature (-30 to 300°F)
  • Seal Type: Radial
  • Design Factor: Male
  • For Fluid Type: Oil
  • Industry: Oil & Gas
  • Region of Origin: North America
  • Internally Lubricated: No
Safety Warning

Item Information

D-ring seals (or D-rings) are another style of homogeneous radial seals consisting of a flat base and a rounded sealing surface, creating a cross sectional geometry similar to a capital “D”.

These seals are used in very similar applications to the double chamfer seals, and are mostly in static and reciprocating applications. D-ring seals also provide excellent stability in the groove and can help prevent spiral failure in radial seal grooves.

The rounded surface of the D-ring requires similar installation force to the double chamfer designs, and also works well by providing a gradual compression profile. We also recommend using the installation chamfer with D-rings to ease the installation force and protect the seal.

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Where to Buy

Local Contact

O-Ring & Engineered Seals Division

2360 Palumbo Drive

Lexington,

KY

United States

40509

Phone

859 269 2351

Fax

859 335 5128

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